GOODWILL AND OTHER INTANGIBLE ASSETS (Goodwill) (Details) $ in Thousands	9 Months Ended
	Jul. 31, 2025 USD ($)
Goodwill [Line Items]
Opening Balance	$ 3,380,295
Goodwill acquired	252,172
Foreign currency translation adjustments	13,584
Adjustments to goodwill	55
Ending Balance	3,646,106
Flight Support Group [Member]
Goodwill [Line Items]
Opening Balance	1,882,558
Goodwill acquired	110,301
Foreign currency translation adjustments	2,378
Adjustments to goodwill	24
Ending Balance	1,995,261
Electronic Technologies Group [Member]
Goodwill [Line Items]
Opening Balance	1,497,737
Goodwill acquired	141,871
Foreign currency translation adjustments	11,206
Adjustments to goodwill	31
Ending Balance	$ 1,650,845